CVE-2023-1767

Description

The Snyk Advisor website (https://snyk.io/advisor/) was vulnerable to a stored XSS prior to 28th March 2023. A feature of Snyk Advisor is to display the contents of a scanned package's Readme on its package health page. An attacker could create a package in NPM with an associated markdown README file containing XSS-able HTML tags. Upon Snyk Advisor importing the package, the XSS would run each time an end user browsed to the package's page on Snyk Advisor.

NVD

Severity: MEDIUM
CVE ID: CVE-2023-1767
CVSS Score: 5.4
CVSS Metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Snyk

Severity: MEDIUM
CVE ID: CVE-2023-1767
CVSS Score: 4.3
CVSS Metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Refrence: NVDMITRE

Proof Of Concept

weizman

Refrence: GitHub